What am I?

Swifter than the fastest horse, through four rooms I run my course. I appear crimson in the light, but blue is what I am at night. What am I?

While I'm a challenge for one and a rebuke between two, Yet I still have a direction for every number. What am I?

If you share me,you wont have me

Some might say I have 26 Some might say I have 11, All of these true yet wrong, Depends on who you ask. Wnat am I

Riddles and Answers